Infiniti G37 Coupe. Manual — part 1303
MAINSHAFT AND GEAR
TM-65
< DISASSEMBLY AND ASSEMBLY >
[6MT: FS6R31A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
3.
Measure the clearance “C” at 2 points or more diagonally oppo-
site using a feeler gauge (A) when pressing outer baulk ring (1),
synchronizer cone (2), and inner baulk ring (3) toward gear taper
cone (B). And then calculate mean value.
Bearing
If the bearing does not rotate smoothly or the contact surface on ball
or race is damaged or peeled, replace with new ones.
Clearance “C”
Standard value
: Refer to
.
Limit value
: Refer to
.
JPDIC0035ZZ
SMT418A
TM-66
< DISASSEMBLY AND ASSEMBLY >
[6MT: FS6R31A]
COUNTER SHAFT AND GEAR
COUNTER SHAFT AND GEAR
Exploded View
INFOID:0000000001732890
.
Disassembly
INFOID:0000000001732891
1.
Using a press to remove 3rd counter gear, 3rd-4th synchronizer
assembly, 4th counter gear, 4th needle bearing, 4th gear bush-
ing, 4th counter gear thrust washer and counter rear bearing
inner race.
2.
Remove 3rd needle bearing.
3.
Using a press to remove 3rd gear bushing.
CAUTION:
Never use oil hole of 3rd gear bushing when press out.
Assembly
INFOID:0000000001732892
1.
Using the inserter [SST: ST30911000 (
—
)] and a press to
press fit 3rd gear bushing onto counter shaft.
2.
Install 3rd-4th coupling sleeve and 3rd-4th shifting inserts into 3rd-4th synchronizer hub.
CAUTION:
• Install 3rd-4th coupling sleeve with the thicker flange
faced the front side.
• Never reuse 3rd-4th coupling sleeve and 3rd-4th synchro-
nizer hub.
• Replace 3rd-4th coupling sleeve and 3rd-4th synchronizer
hub as a set.
SCIA1389E
PCIB1327E
PCIB0406E
PCIB1366E
COUNTER SHAFT AND GEAR
TM-67
< DISASSEMBLY AND ASSEMBLY >
[6MT: FS6R31A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
3.
Install 3rd-4th spread springs in 3rd-4th shifting inserts.
CAUTION:
• Never install 3rd-4th spread spring hook onto the same
3rd-4th shifting insert.
• Be careful with the shape of reverse shifting insert to
avoid misassembly.
4.
Apply recommended grease to 3rd needle bearing.
5.
Apply gear oil to the hole spline press fitting side of 3rd-4th syn-
chronizer hub.
6.
Install 3rd needle bearing, 3rd counter gear, 3rd inner baulk ring,
3rd synchronizer cone and 3rd outer baulk ring on counter shaft
and then using the inserter [SST: ST30911000 (
—
)] and a
press to press fit 3rd-4th synchronizer assembly.
CAUTION:
Replace 3rd inner baulk ring, 3rd synchronizer cone and
3rd outer baulk ring as a set.
NOTE:
4th baulk ring has three spaces that one gear tooth is missing
but 3rd baulk ring doesn't.
SCIA1600E
PCIB0608E
PCIB0615E
PCIB0451E
TM-68
< DISASSEMBLY AND ASSEMBLY >
[6MT: FS6R31A]
COUNTER SHAFT AND GEAR
7.
Apply recommended grease to 4th needle bearing.
8.
Install 4th outer baulk ring, 4th synchronizer cone, 4th inner
baulk ring, 4th needle bearing and 4th counter gear onto counter
shaft and then using the inserter [SST: KV40100630 (J-26092)]
and a press to press fit 4th gear bushing and 4th counter gear
thrust washer.
CAUTION:
Replace 4th outer baulk ring, 4th synchronizer cone and 4th
inner baulk ring as a set.
9.
Using the inserter [SST: ST30032000 (J-26010-01)] and a press
to press fit counter rear bearing inner race onto counter shaft.
CAUTION:
Replace counter rear bearing inner race, counter rear bear-
ing and counter rear bearing spacer as a set.
Inspection
INFOID:0000000001732893
COUNTER SHAFT AND GEAR
If the contact surface on each gear and counter shaft, etc. has dam-
age, peeling, abrasion, dent, bent, or any other damage, replace the
components.
SYNCHRONIZER
Synchronizer Hub and Coupling Sleeve
• If the contact surface on coupling sleeve, synchronizer hub, and
shifting insert has damage or abrasion, replace the components.
• Coupling sleeve and synchronizer hub shall move smoothly.
Baulk Ring and Spread Spring
PCIB0209E
PCIB0210E
PCIB0438E
SMT387A
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